本文实例讲述了jquery+CSS实现的水平布局多级网页菜单效果。分享给大家供大家参考。具体如下：
这里演示的Jquery和CSS共同实现的网页常见的导航菜单，支持两级形式，蓝色风格，最多支持二级，三级可能要对代码进行改造了。本菜单属于中规中矩型，实用性比较强，适合的网站种类也是很多的，希望大家会喜欢。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/jquery-css-scroll-nav-menu-style-codes/
具体代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>蓝色带阴影超酷的css+js导航菜单代码</title> <style> body {margin:0px;} a:link {text-decoration: none;} a:visited {text-decoration: none;} a:hover {text-decoration: none;} a:active {text-decoration: none;} #nav_wrap {width:960px;} #nav{background:url(images/nav_bg1.gif) repeat-x bottom; height:49px; position:relative; width:950px; margin:20px auto;} #nav .l{background:url(images/nav_l1.gif) no-repeat bottom; height:49px; width:28px; float:left} #nav li {float:left; list-style:none;text-align:center;font-size:14px; } #nav li .v a{width:108px;height:49px; line-height:49px; display:block; color:#FFF;float:left; font-family:Arial,Verdana,Tahoma,"宋体"; } #nav li .v a:hover,#nav li .v .sele{background:url(images/nav_hover1.gif) no-repeat bottom;color:#fff;height:49px;line-height:49px; font-size:14px;} #nav .kind_menu {height:30px;*height:29px;line-height:30px;vertical-align:middle; position:absolute;top:46px;*top:48px;left:70px;width:880px; text-align:left; display:none;color:#000;font-size:12px;} #nav .kind_menu a {color:#000; float:left; text-align:center; width:90px; font-family:Arial,Verdana,Tahoma,"宋体";font-size:12px;} #nav .kind_menu a:hover {color:#000;border-bottom:2px #222b8e solid;} #nav .kind_menu span {font-size:10px; color:#000; line-height:30px; *line-height:26px; float:left } </style> <SCRIPT src="jquery-1.6.2.min.js" type=text/javascript></SCRIPT> </head> <body> <DIV id=nav_wrap> <DIV id=nav> <DIV class=l></DIV> <UL class=c> <LI><SPAN class=v><A href="#" target="_blank">首页</A></SPAN> <DIV class=kind_menu>欢迎您访问查字典教程网,我们为您提供最优质的网络营销服务! </DIV></LI> <LI><SPAN class=v><A href="#">特惠套餐</A></SPAN> <DIV class=kind_menu> <A href="#">电信特惠套餐</A> <SPAN>|</SPAN> <A href="#">智能双线套餐</A> </DIV></LI> <LI><SPAN class=v><A href="#">域名频道</A></SPAN> <DIV class=kind_menu> <A href="#">英文域名</A><SPAN>|</SPAN> <A href="#">中文域名</A><SPAN>|</SPAN> <A href="#">通用网址</A><SPAN>|</SPAN> <A href="#">域名交易</A><SPAN>|</SPAN> <A href="#">域名帮助</A><SPAN>|</SPAN> <A href="#">智能加速</A> </DIV></LI> <LI><SPAN class=v><A href="#">脚本下载</A></SPAN> <DIV class=kind_menu> <A href="#">网络营销外包</A> <SPAN>|</SPAN> <A href="#">网页特效代码</A> </DIV></LI> <LI><SPAN class=v><A href="#">网页特效</A></SPAN> <DIV class=kind_menu> <A href="#">网络外包</A> <SPAN>|</SPAN> <A href="#">网络营销</A> <SPAN>|</SPAN> <A href="#">特效代码</A> </DIV></LI> <LI><SPAN class=v><A href="http://www.baidu.com">百度一下</A></SPAN> <DIV class=kind_menu> <A href="#">网络外包</A> <SPAN>|</SPAN> <A href="#">营销外包</A> <SPAN>|</SPAN> <A href="#">网页特效</A> </DIV></LI> </UL> </DIV><> </DIV><> <SCRIPT type=text/javascript> var site_url = window.location.href.toLowerCase(); switch (true) { default : $("#nav li").attr("class",""); $("#nav li").eq(0).attr("class","nav_lishw"); $(".nav_lishw .v a").attr("class","sele"); $(".nav_lishw .kind_menu").show(); } $("#nav li").hover( function(){ clearTimeout(setTimeout("0")-1); $("#nav .kind_menu").hide(); $("#nav li .v .sele").attr("class","shutAhover"); $(this).attr("id","nav_hover") $("#nav_hover .v a").attr("class","sele"); $("#nav_hover .kind_menu").show(); }, function(){ if($(this).attr("class") != "nav_lishw"){ $("#nav_hover .v .sele").attr("class",""); $("#nav_hover .kind_menu").hide(); } $(this).attr("id","") $("#nav li .v .shutAhover").attr("class","sele"); setTimeout(function(){ $(".nav_lishw .kind_menu").show(); $(".nav_lishw .v a").attr("class","sele"); },50); } ); </SCRIPT> </body> </html>
希望本文所述对大家的jquery程序设计有所帮助。
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